SLV BL9 Version 1 Channel Module – Main Class H Power Drive PCB

The SLV BL9 Version 1 Channel Module is a high-performance power engine built for the rigorous demands of professional audio. Utilizing a sophisticated Class H architecture, this module optimizes power efficiency by dynamically switching between voltage rails, ensuring the unit remains cool during high-output operation. This module is the direct factory-spec replacement for the BL9, capable of supporting a peak bridged output of 4500W.

Key Features & Build Quality

• Class H Topology: Intelligent rail management significantly reduces thermal waste and maximizes power delivery to the speakers.

• Premium Semiconductor Stage: Features a high-density array of Toshiba power transistors for superior thermal stability and low-distortion audio reproduction.

• Stable High-Current Drive: Engineered for rock-solid stability across $2\Omega, 4\Omega,$ and $8\Omega$ loads, providing maximum flexibility for venue setups.

• Onboard Protection Logic: Integrated circuitry for real-time monitoring of DC offset, short-circuits, and thermal runaway, communicating directly with the amplifier's protection system.

• Precision Signal Path: Equipped with low-noise non-inductive resistors and high-quality filtering capacitors to maintain a Signal-to-Noise ratio of over 97dB.

• Plug-and-Play Installation: Includes pre-configured wiring looms with high-current connectors and multi-pin signal headers for secure, efficient servicing.

Technical Specifications (BL9 V1 Module)

• Compatible Model: SLV Black Series BL9 Version 1.

• Power Rating Support: 1175W (8Ω) | 1700W (4Ω) | 2200W (2Ω) per channel.

• Slew Rate: 42V/us (Ensures accurate high-frequency transient response).

• Damping Factor: 1000 (Provides tight, controlled bass response).

• THD: $<0.05\%$.

• Cooling: Designed for integration with forced-air tunnel heatsink systems.

Applications

• BL9 Restoration: The primary replacement module for failed or damaged power stages in the BL9 Version 1 chassis.

• Touring Maintenance: A critical spare part for live sound companies to ensure minimal downtime during events.

• Professional Upgrades: Ideal for refurbishing well-used BL-series units to original factory performance standards.

Technical Note: This is a High-Voltage internal component. Installation should only be performed by a qualified technician. Ensure that the main capacitor bank is fully discharged and that the module is properly seated on its heatsink with fresh thermal compound before applying power.

🚚 Fast & Reliable Delivery Across India

We strive to ensure a smooth and quick delivery experience for all our customers.

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  Same-Day Dispatch: All orders are usually dispatched on the same day, with daily cut-off around 4:00 PM IST.
  
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  Delivery Time: You can expect your order to reach you within 4–5 working days, depending on your location.
  
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  Pan India Shipping: We deliver across all cities and villages in India, so no matter where you are, we’ve got you covered.
  
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  Trusted Courier Partners: Your orders are shipped through reliable logistics partners like DTDC and Delhivery to ensure safe and timely delivery.
  

💡 Whether it’s a metro city or a remote village, you don’t need to worry — we make sure your order reaches you securely.

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